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52581379 = 192995429
BaseRepresentation
bin1100100010010…
…1010000000011
310122221102002111
43020211100003
5101430101004
65115000151
71205635324
oct310452003
9118842074
1052581379
1127754194
1215739057
13ab80356
146daa44b
154939a04
hex3225403

52581379 has 8 divisors (see below), whose sum is σ = 57258000. Its totient is φ = 48095712.

The previous prime is 52581359. The next prime is 52581383. The reversal of 52581379 is 97318525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52581379 - 215 = 52548611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52581349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47164 + ... + 48265.

It is an arithmetic number, because the mean of its divisors is an integer number (7157250).

Almost surely, 252581379 is an apocalyptic number.

52581379 is a deficient number, since it is larger than the sum of its proper divisors (4676621).

52581379 is a wasteful number, since it uses less digits than its factorization.

52581379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95477.

The product of its digits is 75600, while the sum is 40.

The square root of 52581379 is about 7251.3018831104. The cubic root of 52581379 is about 374.6369915278.

The spelling of 52581379 in words is "fifty-two million, five hundred eighty-one thousand, three hundred seventy-nine".

Divisors: 1 19 29 551 95429 1813151 2767441 52581379